117843543 has 6 divisors (see below), whose sum is σ = 170218464. Its totient is φ = 78562356.

The previous prime is 117843533. The next prime is 117843547. The reversal of 117843543 is 345348711.

It is a happy number.

117843543 is a `hidden beast` number, since 1 + 1 + 78 + 43 + 543 = 666.

It is not a de Polignac number, because 117843543 - 2⁴ = 117843527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117843498 and 117843507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117843547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6546855 + ... + 6546872.

It is an arithmetic number, because the mean of its divisors is an integer number (28369744).

Almost surely, 2^117843543 is an apocalyptic number.

117843543 is a deficient number, since it is larger than the sum of its proper divisors (52374921).

117843543 is a wasteful number, since it uses less digits than its factorization.

117843543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13093733 (or 13093730 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 117843543 is about 10855.5765853316. The cubic root of 117843543 is about 490.2699373415.

The spelling of 117843543 in words is "one hundred seventeen million, eight hundred forty-three thousand, five hundred forty-three".